Which is an example of codominance? (1 point) roan coat color in horses
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The roan coat color in horses is the example of codominance.  

•The phenomenon in genetics in which neither of the allele masks the expression of the other allele is known as codominance.  

•In this neither the dominant nor the recessive allele exhibit its dominance.  

•It is a kind of inheritance in which the alleles of the pair of gene in a heterozygote are expressed fully.  

•For example, in horse, roan coat color, is a pattern featured by an even mixture of white and colored hairs on the body.  

•It is an even mixture of pigmented and white hairs that do not fade or gray out with age of the horse.  

•Therefore, it exhibits the phenomenon of codominance as neither of the color of the coat masks the expression of the other, both are demonstrating their trait in the form of a mixture.  

Thus, roan coat color in horses is an example of codominance.

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roan coat color in horses

Explanation:

Codominance is one of the Non-mendelian inheritance patterns in genetics i.e. does not follow Mendel's principles of inheritance. Codominance is a phenomenon whereby an allele is neither dominant nor recessive to another in a gene i.e. one allele is not phenotypically expressed over the other. Hence, both alleles are simultaneously expressed in their heterozygous state.

An example of codominance is the roan coat color in horses where the colored (B) and white (W) alleles are both dominant in the coat color gene, hence, the horse expresses both black and white coat phenotypes known as ROAN (BW). The black and white alleles are said to be CODOMINANT.